vulnerable
adj. (身体或精神)脆弱的,易受伤的;(事物、人或地方)易受攻击的,易受伤害的;易患病的;(桥牌)有局方的,有身价的
例句
She was left feeling exposed and vulnerable.
她感到自己孤立无助,非常脆弱。
《牛津词典》
Those most vulnerable to heat stress are the elderly.
上了年纪的人最容易因受热而生病。
Their tanks would be vulnerable to attack from the air.
他们的坦克将易受空袭。
《柯林斯英汉双解大词典》